john mangual
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 Apr23 accepted modification of Dedekind cuts Apr22 accepted Explicit Galois Action for $X^3 - X -1$ Dec31 accepted $\int_{-\pi/2}^{\pi/2} dx \, \sin^{2n} x$ Dec9 accepted inversion of the circle $t \mapsto (3 + is) + e^{it}$ around the unit circle. Nov11 accepted Find $n$ such that $(\mathbb{Z}/n\mathbb{Z})^\times \simeq \mathbb{Z}_2 \times \mathbb{Z}_2$. Nov7 accepted ODE satisfied by $\,f(\xi) = \int_0^1 \frac{e^{-\xi x}}{\sqrt{1 - x^2}}dx$ Sep17 accepted Is $\int_{-1}^1 \frac{dx}{\sqrt{x^2 - 1}}$ divergent? Aug24 accepted Analogue of $\zeta(2) = \frac{\pi^2}{6}$ for Dirichlet L-series of $\mathbb{Z}/3\mathbb{Z}$? Aug18 accepted Log concavity of binomial coefficients: $\binom{n}{k}^2 \geq \binom{n}{k-1}\binom{n}{k+1}$ Jun18 accepted what are the “points” of the scheme $\mathbb{Z}_8[x] /(x^2 + 7)$ Jun13 accepted Exact value of $\tan 50^\circ$ Jun7 accepted which continued fraction is bigger? $[1,1,a,1,1,1,1]$ or $[1,1,1,b,1,1,1]$ May21 accepted uniform spanning tree of $2 \times n$ graph May17 accepted A combinatorial proof of Euler's Criterion? $(\tfrac{a}{p})\equiv a^{\frac{p-1}{2}} \text{ mod p}$ May13 accepted Looping over $k$-element subsets by switching elements Feb17 accepted asymptotics of $F_n = F_{k-1} F_{n-k-1} + F_{k-1} F_{n-k} + F_{k-2} F_{n-k}$ Sep24 accepted To what extent are divisibility by different primes independent? Jun29 accepted A q-series related to adjoint representation of lie group Jan17 accepted fractal structure of the sum of squares function Nov5 accepted Abelian vs Holomorphic Differentials vs Quadratic Differentials